<template>
  <div class="container" ref="course2"></div>
</template>
  
  <script lang="ts" setup >
import * as THREE from "three";
import { ref, onMounted } from "vue";

const course2 = ref(null);

onMounted(() => {
  load3D();
});

const load3D = () => {
  const renderer = new THREE.WebGLRenderer();
  renderer.setSize(window.innerWidth, window.innerHeight);
  course2.value.appendChild(renderer.domElement);

  const camera = new THREE.PerspectiveCamera(
    45,
    window.innerWidth / window.innerHeight,
    1,
    500
  );
  camera.position.set(0, 0, 100);
  camera.lookAt(0, 0, 0);

  const scene = new THREE.Scene();
  const material = new THREE.LineBasicMaterial({ color: 0x0000ff });
  const points = [];
  points.push(new THREE.Vector3(-10, 0, 0));
  points.push(new THREE.Vector3(0, 10, 0));
  points.push(new THREE.Vector3(10, 0, 0));

  const geometry = new THREE.BufferGeometry().setFromPoints(points);
  const line = new THREE.Line(geometry, material);
  scene.add(line);
  renderer.render(scene, camera);
};
</script>